diff options
| author | Sergey Senozhatsky <sergey.senozhatsky@gmail.com> | 2016-12-27 23:16:04 +0900 |
|---|---|---|
| committer | Petr Mladek <pmladek@suse.com> | 2017-02-08 10:57:32 +0100 |
| commit | bd66a89249892acc9d938ba4956066b21403fa5f (patch) | |
| tree | 0ae764379f70901fab3d6209d1acaaa2dc1d4580 | |
| parent | 548cf34b3a22262a798a4322048070271431a074 (diff) | |
| download | lwn-bd66a89249892acc9d938ba4956066b21403fa5f.tar.gz lwn-bd66a89249892acc9d938ba4956066b21403fa5f.zip | |
printk: use vprintk_func in vprintk()
vprintk(), just like printk(), better be using per-cpu printk_func
instead of direct vprintk_emit() call. Just in case if vprintk()
will ever be called from NMI, or from any other context that can
deadlock in printk().
Link: http://lkml.kernel.org/r/20161227141611.940-2-sergey.senozhatsky@gmail.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Cc: Calvin Owens <calvinowens@fb.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Hurley <peter@hurleysoftware.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Reviewed-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Petr Mladek <pmladek@suse.com>
| -rw-r--r-- | kernel/printk/printk.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c index 8b2696420abb..106843a83b63 100644 --- a/kernel/printk/printk.c +++ b/kernel/printk/printk.c @@ -1803,7 +1803,7 @@ EXPORT_SYMBOL(vprintk_emit); asmlinkage int vprintk(const char *fmt, va_list args) { - return vprintk_emit(0, LOGLEVEL_DEFAULT, NULL, 0, fmt, args); + return vprintk_func(fmt, args); } EXPORT_SYMBOL(vprintk); |